moving common classes to utilities package
Revert "moving common classes to utilities package"

This reverts commit 4b88331855d710c4e15647fed2d43403e94dc3b0.
moving common classes to utilities package
Revert "Revert "moving common classes to utilities package""

This reverts commit 01239df3334847f3520b1b8fead8a037aefa973e.
Revert "moving common classes to utilities package"

This reverts commit 4b88331855d710c4e15647fed2d43403e94dc3b0.
moving common classes to utilities package
moving common classes to utilities package
moving common classes to utilities package